Kill switch

Course: core.async Patterns

Updated October 25, 2019

Description

Code

On the JVM, there is no way to stop a thread from the outside. The same is true of core.async go processes. The only way to stop it is from the inside. A common way to kill multiple threads/go processes is to make a channel signal that they should die.

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Next Lesson

4 min

Poison pill

If you need finer control over which workers die, you could implement the poison pill pattern. In this one, a special value is considered to be a signal to die.